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US Patent: 1,051,531
Eccentric Boring Tool Holder
Patentee:
Charles H. Whipple (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:
279/6, 82/151

Tool Categories:
metalworking machines : drilling and boring : drilling and boring tool holders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 29, 1912
Granted: Jan. 28, 1913

Patent Pictures:
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